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kvv77 [185]
3 years ago
5

Explain step by step how diseased cells or tissue function

Biology
1 answer:
steposvetlana [31]3 years ago
8 0
<span> well DNA replication precedes the start of meiosis I. During prophase I, homologous chromosomes pair and form synapses, a step unique to meiosis. The paired chromosomes are called bivalents, and the formation of chiasmata caused by genetic recombination becomes apparent. Chromosomal condensation allows these to be viewed in the microscope. Note that the bivalent has two chromosomes and four chromatids, with one chromosome coming from each parent.</span>
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Identify the type of charge of the following particles in an atom
adell [148]

Answer:

Electron-Negative

Neutron-No charge

Proton-Positive

7 0
3 years ago
Which type of mutation always produces a siop codon?<br> missense<br> nonsense<br> silent<br> point
Nutka1998 [239]
Nonsense mutation always produces a stop codon
8 0
3 years ago
In pea plants flower color is completely dominant trait with purple flowers being dominant to white flowers. Based on this if yo
Reil [10]

Hello again!

If plants are purebred, then they are homozygous. This means that they have the exact same genes in one pair: for example, AA. If they are both purebred, then the dominant gene will win out every time. The answer for this question, then, would be D. Here is a diagram to help you!

4 0
3 years ago
Which would least likely be able to cross the phospholipid bilayer of the cell membrane answers?
ruslelena [56]

Answer;

-Large polar molecule are list likely to cross the phospholipid bilayer.

Explanation;

-A large polar molecule would be the least likely to passively diffuse through a plasma membrane without the help of a transport protein. Both its size and the hydrophobic interior of the membrane would restrict it.

-Only small uncharged molecules can diffuse freely through phospholipid bilayers. Small nonpolar molecules, such as O2 and CO2, are soluble in the lipid bilayer and therefore can readily cross cell membranes.

-Ions and large polar molecules cannot pass through the lipid bilayer. But more specifically, whether a molecule can pass through the membrane depends on its size and its electrical nature.

6 0
3 years ago
Cows, pigs, and sheep have identical amino acid sequences for cytochrome c. What does this say about their evolutionary relatedn
MrMuchimi

Answer:

It shows the three organisms to have evolved from a common ancestor.

Explanation:

An identical sequence of amino acids for cytochrome c in cows, pigs and sheep show that they most likely evolved from a common ancestor. The common ancestor might have evolved over time and in result, three different species were produced. It also shows that they are more closely related to one another than other organisms.

Other properties or traits that are common in these organisms are :

They all are mammals.

They are all livestock animals.

They all are multicellular organisms.

4 0
3 years ago
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